Electromechanical band pass filters

Details Electromechanical band pass filters Electromechanical band pass filters

1980-07-17

1982-07-27

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Electromechanical filter

333186, H03H 924, H03H 950

Patent

active

043420150

ABSTRACT:
An electromechanical band pass filter includes a plurality of cells in cascade. Each cell comprises two parallel cylindrical bars forming longitudinally vibrating resonators and a flexurally vibrating cylindrical coupler connected between the two resonators. The cell of rank i is dimensioned such that one of its relative limiting frequencies is linked with the frequency of a cell for an electrical low-pass filter by the relationship: ##EQU1##

REFERENCES:
patent: 4163960 (1979-08-01), Ernyei et al.
patent: 4197516 (1980-04-01), Ernyei et al.

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